Spinning and twisting spindle



April 28, 1925.

E ATWOOD SPINNING AND TWISTING SPINDLE Flled March 9, 1922 1N VEN TOR YA TTORNE X5' Patented Apr. 28, 19225.

UNITED STATES PATENT OFFICE.

EUGENE ATWOOD, OE sToNI'NG'ToN, CONNECTICUT, AssIGNoE. To ATwoon MACHINECOMPANY, OP sToNINCToN, CONNECTICUT, A CORPORATION OT NEW JERSEY.

SPINNING ANE TwIsTTNG SPINDLE Application mea March 9, 1922. serial No.542,349.

To all whom t may concern:

Be it known that I, EUGENE ATWooD,-a citizen of the United States, andresident of Stonington, in the county of New London and State ofConnecticut, have `invented av new and useful Improvement in Spinningand Twisting -Spindles, of which the following is a specification'.

lThe object of my invention is to provide l0 certain improvements in theconstruction, form and arrangement of the several parts of a self oilingspindleof the step and bolster type, whereby a thorough lubrication ofthe step and bolster bearings is obtained.

My invention more particularly comprises a self oiling spindle of the`step and bolster type in which a removable cylindrical cup which formsan o-il reservoir, surrounds the step bearin portion and a. removabletube surrounds t e uprising bolster bearing portion of the case.

A practical embodiment of my invention is represented in theaccompanying drawings in which Fig. 1 represents the spindle in sideelevation.

Fig. 2 represents a vertical central section aken in the plane of theline II-II of Fig. 3 represents a cross section taken in the plane ofthe line III- III of Fig. 1.

Fig. 4 represents a cross section taken in the plane of the line .IV-IVof Fig. 2.

The spindle blade 1 is provided with the usual whirl 2. The support forthe spindle comprises the case 3, having a depending step bearingportion 4 and an uprising bolster bearing portion 5. An uprising tube 6surrounds the bolster bearing portion 5 and, in the present instance, isspaced therefrom by providing an annular series of lugs 7 projectingfrom the bolster bearing portion near its top, the bottom of the tube 6snugly fitting over the enlarged base of the bolster bearing portion andresting on the top of the spindle rail flange 8 of the case 3. Oilcirculating holes 9 lead through the side wall of the bolster bearingportion 5.

A cylindrical oil cup 10 surrounds the step bearing portion 4 and has aninterior screw threaded engagement 11 therewith, Just beneath the fiange8. An oil tight joint is ensured between the oil cup and step bearingportion by providing the step bearing portion with a. conical seat 12arranged to have an extended engagement with a conical shoulder 13 inthe bore of the cup 10. The step bearing portion 4 is preferably taperedbelow the conical portion l2, leaving an `oil chamber 14 of,substantialsize within the cup 10, the bottom of which extends a short distancebelow the bottom of the step bearing portion. A vertically elongated oilcirculating port 15 extends through the wall of the step bearing portion4. This cup 10 is provided with an exteriorly-screw threaded portion 16near its bottom fdr the reception of the nut 17 between which nut andthe spindle rail, therusual coil spring 18. may be inserted foryieldingly securing the spindle case to the rail.

From the above description it will be seen that I have provided an oilreservoir of novel form in the bottom of which, below the step bearing,any sediment or foreign matter may collect, and which may be ver)Treadily removed and rep-laced.

It is evident that various changes may be resorted to in theconstruction, form and arrangement of the several parts withoutdeparting from the spirit and scope of my invention; hence, I do notwish to be limited to the particular embodiment herein shown anddescribed, but

What I claim is: l. A self oiling spindle of the step and bolster typecomprising a case having bolster and step bearing portions, a removableoil cup surrounding the step bearin portion, and va removable tubesurroun ing and spaced from the bolster bearing portion.

2. A self oiling spindle of the step and bolster type comprising a casehaving bolster and step bearing portions, a removable oil cup.surrounding the step bearing por tion, a removable tube surrounding andspaced from the bolster. bearing portion, and oil ports through thewalls of the step and bolster bearing portions.

3. A self oiling' spindle of the step and Las hem-ing portion, und oilports. through the 'Wells of the bolster and step bearing por- 10 tions.

ln testimony, that l cla-im the foregoing as my invention, I have signedmy name this 7th. dey of March 1922.

EUGENE ATWOOD.

